/* Tổng quan */
    .page-xin88cc {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f8f8f8;
      overflow-x: hidden;
    }

    /* Tiêu đề */
    .page-xin88cc__heading-primary {
      font-size: 2.5em;
      color: #0a4f9f;
      text-align: center;
      margin-bottom: 20px;
      font-weight: bold;
    }

    .page-xin88cc__heading-secondary {
      font-size: 1.8em;
      color: #0a4f9f;
      margin-top: 30px;
      margin-bottom: 15px;
      border-bottom: 2px solid #0a4f9f;
      padding-bottom: 10px;
    }

    .page-xin88cc__heading-tertiary {
      font-size: 1.4em;
      color: #2c3e50;
      margin-top: 25px;
      margin-bottom: 10px;
    }

    /* Phần chung */
    .page-xin88cc__section {
      padding: 40px 20px;
      margin: 0 auto;
      max-width: 1200px;
      background-color: #ffffff;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      margin-bottom: 30px;
    }

    .page-xin88cc__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-xin88cc__text {
      font-size: 1.1em;
      margin-bottom: 15px;
      color: #555;
    }

    /* Hero Section */
    .page-xin88cc__hero-section {
      position: relative;
      width: 100%;
      min-height: 350px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: #fff;
      overflow: hidden;
      padding-top: 10px; /* Adjust for fixed header */
      box-sizing: border-box;
    }

    .page-xin88cc__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 1;
    }

    .page-xin88cc__hero-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.8));
      z-index: 2;
    }

    .page-xin88cc__hero-content {
      position: relative;
      z-index: 3;
      max-width: 900px;
      padding: 20px;
    }

    .page-xin88cc__hero-title {
      font-size: 3em;
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      line-height: 1.2;
    }

    .page-xin88cc__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: 30px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-xin88cc__promotion-button {
      display: inline-block;
      background-color: #ff4500;
      color: #fff;
      padding: 15px 30px;
      border-radius: 50px;
      font-size: 1.2em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    }

    .page-xin88cc__promotion-button:hover {
      background-color: #e63900;
      transform: translateY(-3px);
    }

    /* Nút Đăng Nhập Nổi */
    .page-xin88cc__floating-login-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #ff4500;
      color: #fff;
      padding: 15px 25px;
      border-radius: 30px;
      font-size: 1.1em;
      font-weight: bold;
      text-align: center;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
      z-index: 1000;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      white-space: nowrap;
    }

    .page-xin88cc__floating-login-button:hover {
      background-color: #e63900;
      transform: scale(1.05);
    }

    /* Game Categories */
    .page-xin88cc__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-xin88cc__game-card {
      background-color: #f0f8ff;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
    }

    .page-xin88cc__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-xin88cc__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-xin88cc__game-title {
      font-size: 1.3em;
      color: #0a4f9f;
      margin: 15px 10px 10px;
      font-weight: bold;
    }

    .page-xin88cc__game-description {
      font-size: 0.95em;
      color: #666;
      padding: 0 15px;
    }

    /* Hướng dẫn */
    .page-xin88cc__guide-steps {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .page-xin88cc__step-item {
      display: flex;
      align-items: flex-start;
      background-color: #eaf7ff;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      box-sizing: border-box;
    }

    .page-xin88cc__step-icon {
      flex-shrink: 0;
      width: 60px;
      height: 60px;
      margin-right: 20px;
      background-color: #0a4f9f;
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8em;
      font-weight: bold;
    }

    .page-xin88cc__step-content h3 {
      font-size: 1.3em;
      color: #0a4f9f;
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-xin88cc__step-content p {
      margin: 0;
      color: #555;
    }

    /* Ưu điểm */
    .page-xin88cc__advantages-list {
      list-style: none;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }

    .page-xin88cc__advantage-item {
      background-color: #f9f9f9;
      border-left: 5px solid #0a4f9f;
      padding: 20px;
      border-radius: 5px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
      font-size: 1.1em;
      color: #333;
      box-sizing: border-box;
    }

    .page-xin88cc__advantage-item strong {
      color: #0a4f9f;
    }

    /* FAQ Section */
    .page-xin88cc__faq-list {
      list-style: none;
      padding: 0;
    }

    .page-xin88cc__faq-item {
      background-color: #fff;
      border: 1px solid #ddd;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .page-xin88cc__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #0a4f9f;
      color: #fff;
      cursor: pointer;
      font-weight: bold;
      font-size: 1.2em;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-xin88cc__faq-question:hover {
      background-color: #073a77;
    }

    .page-xin88cc__faq-question h3 {
      margin: 0;
      color: #fff;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-xin88cc__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 15px;
      pointer-events: none; /* Prevent toggle icon from blocking click */
    }

    .page-xin88cc__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      background-color: #f9f9f9;
      color: #333;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-xin88cc__faq-answer p {
      padding: 20px 0;
      margin: 0;
    }

    .page-xin88cc__faq-item.active .page-xin88cc__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-xin88cc__faq-item.active .page-xin88cc__faq-toggle {
      content: '−';
    }

    /* Call to Action Final */
    .page-xin88cc__cta-section {
      text-align: center;
      padding: 50px 20px;
      background-color: #0a4f9f;
      color: #fff;
      border-radius: 8px;
      margin-top: 30px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .page-xin88cc__cta-title {
      font-size: 2em;
      margin-bottom: 20px;
    }

    .page-xin88cc__cta-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-xin88cc__hero-section {
        min-height: 300px;
        padding-top: 10px; /* Adjust for fixed header on mobile */
      }

      .page-xin88cc__hero-title {
        font-size: 2em;
      }

      .page-xin88cc__hero-subtitle {
        font-size: 1.2em;
      }

      .page-xin88cc__promotion-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-xin88cc__floating-login-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 0.9em;
      }

      .page-xin88cc__heading-primary {
        font-size: 2em;
      }

      .page-xin88cc__heading-secondary {
        font-size: 1.5em;
      }

      .page-xin88cc__heading-tertiary {
        font-size: 1.2em;
      }

      .page-xin88cc__text {
        font-size: 1em;
      }

      .page-xin88cc__section {
        padding: 25px 15px;
        margin-bottom: 20px;
      }

      .page-xin88cc__game-grid {
        grid-template-columns: 1fr;
      }

      .page-xin88cc__game-image {
        height: 180px;
      }

      .page-xin88cc__step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }

      .page-xin88cc__step-icon {
        margin-right: 0;
        margin-bottom: 15px;
      }

      .page-xin88cc__advantages-list {
        grid-template-columns: 1fr;
      }

      .page-xin88cc__advantage-item {
        padding: 15px;
        font-size: 1em;
      }

      .page-xin88cc__faq-question {
        font-size: 1em;
        padding: 12px 15px;
      }

      .page-xin88cc__faq-answer p {
        padding: 15px 0;
      }

      .page-xin88cc__cta-title {
        font-size: 1.5em;
      }

      .page-xin88cc__cta-description {
        font-size: 1em;
      }

      /* List item specific mobile styles */
      .page-xin88cc__game-grid > div,
      .page-xin88cc__advantages-list > li,
      .page-xin88cc__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
      .page-xin88cc__game-grid,
      .page-xin88cc__advantages-list,
      .page-xin88cc__faq-list {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-xin88cc__step-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 15px !important;
      }
      .page-xin88cc__step-content h3 {
        font-size: 1.1em;
      }
      .page-xin88cc__step-content p {
        font-size: 0.95em;
      }

      .page-xin88cc__game-card,
      .page-xin88cc__advantage-item {
        padding-left: 15px;
        padding-right: 15px;
      }
    }